Remove extraneous ERB newlines in systemd service
Add CentOS/RHEL package support via EPEL
Switch Fedora repository from updates-testing to updates (stable)
Add SysV init_type support
Add CentOS/RHEL 6 to COMPATIBILITY and test kitchen
README documentation for CentOS/RHEL 6 and SysV support
Bump version to 0.18.0